Exhibit 21.1

OCLARO, INC. SUBSIDIARIES

Avanex Communications Technologies Co., Ltd., a People’s Republic of China Company

Avanex France OIF S.A., A French company

Avanex International Corporation, a Delaware corporation

Avanex (Thailand) Limited, a Thai company

Avanex U.S.A. Corporation, a Delaware corporation

Avalon Photonics AG, a Swiss corporation

Bookham International Ltd., a Cayman Islands company

Bookham Nominees Ltd., a U.K. company

Bookham Technology KK, a Japanese corporation

Forthaven Limited, a U.K. company

Ignis Optics, Inc., a Delaware corporation

New Focus GmbH, a German corporation

Oclaro (Canada), Inc. (formerly Bookham (Canada), Inc.), a Canadian corporation

Oclaro (North America), Inc. (formerly Avanex Corporation)

Oclaro Photonics, Inc. (formerly New Focus, Inc.)

Oclaro (Switzerland) AG (formerly Bookham (Switzerland) AG), a Swiss corporation

Oclaro Technology, Inc. (formerly Bookham (US) Inc.), a Delaware corporation

Oclaro Technology plc (formerly Bookham Technology plc), a U.K. corporation

Oclaro Technology (Shenzhen) (FFTZ) Co. Ltd., (formerly Bookham Technology (Shenzhen) (FFTZ) Co. Ltd.), a People’s Republic of China company